Entertainment PHOTOS: 2023 Jacksonport Polar Bear Swim By Rachel Lukas , January 5th, 2023 Share Tweet Pin Share LinkedIn Reddit Email Joe Jarosh, father of the swim's founder J.R. Jarosh, announces at the 2023 Jacksonport Polar Bear Swim. Photo by Rachel Lukas. The first in the crowd of 800 swimmers hit the water in the 2023 plunge. Photo by Rachel Lukas. Photo by Rachel Lukas. Photo by Rachel Lukas. The air temperature was an unseasonably warm 39°F with water temperatures reaching 36.7°F for the January first plunge. Photo by Rachel Lukas. Photo by Rachel Lukas. Photo by Rachel Lukas. Photo by Rachel Lukas. The swim attracted participants from near, far, and other worlds to hit the waters of Lake Michigan. Photo by Rachel Lukas. J.R. Jarosh and his brother Jon close out the event with a dive into Lake Michigan together. Photo by Rachel Lukas. This year marked the 36th annual plunge for J.R. Jarosh. Photo by Rachel Lukas. First responders gather before the plunge to ensure swimmer safety. Photo by Rachel Lukas. Related Articles A Jacksonport Tradition: The Polar Bear Swim Polar Bear Swim, Mini Golf, First Day Hikes & More Weekend Plans Polar Bear Swim Postponed to 2022 Jacksonport Polar Bear Club 24th Annual Plunge Door County Tickets